实验啊
#include <stdio.h>
#include <stdio.h>
int main()
{
int a,b,sum;
a=123;
b=456;
sum=a+b;
printf("sum is %d\n",sum);
return 0;
}
#include <stdio.h>
int main()
{ char c1,c2
c1=97;
c2=98;
printf("c1=%c,c2=%c\n",c1,c2);
printf("c1=%d,c2=%d\n",c1,c2);
return 0;
}
#include <stdio.h>
int main()
{ char c1,c2
c1=197;
c2=198;
printf("c1=%c,c2=%c\n",c1,c2);
printf("c1=%d,c2=%d\n",c1,c2);
return 0;
}
#include <stdio.h> #include <math.h>
int main(){ double x,y,z; scanf("%lf%lf",&x,&y); z = x + 1/fabs(y); printf("%15.6f\n",z); printf("%d\n",(int)z); printf("%e\n",z); return 0 ; }

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